mirror of
https://github.com/rust-lang/cargo
synced 2024-10-06 07:49:25 +00:00
499 lines
14 KiB
Rust
499 lines
14 KiB
Rust
//! Tests for Cargo usage of rustc `--check-cfg`.
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use cargo_test_support::{basic_manifest, project};
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macro_rules! x {
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($tool:tt => $what:tt $(of $who:tt)?) => {{
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#[cfg(windows)]
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{
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concat!("[RUNNING] [..]", $tool, "[..] --check-cfg ",
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$what, '(', $($who,)* ')', "[..]")
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}
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#[cfg(not(windows))]
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{
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concat!("[RUNNING] [..]", $tool, "[..] --check-cfg '",
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$what, '(', $($who,)* ')', "'", "[..]")
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}
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}};
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($tool:tt => $what:tt of $who:tt with $($first_value:tt $($other_values:tt)*)?) => {{
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#[cfg(windows)]
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{
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concat!("[RUNNING] [..]", $tool, "[..] --check-cfg \"",
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$what, '(', $who, ", values(", $("/\"", $first_value, "/\"", $(", ", "/\"", $other_values, "/\"",)*)* "))", '"', "[..]")
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}
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#[cfg(not(windows))]
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{
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concat!("[RUNNING] [..]", $tool, "[..] --check-cfg '",
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$what, '(', $who, ", values(", $("\"", $first_value, "\"", $(", ", "\"", $other_values, "\"",)*)* "))", "'", "[..]")
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}
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}};
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}
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#[cargo_test(>=1.79, reason = "--check-cfg was stabilized in Rust 1.79")]
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fn features() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2015"
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[features]
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f_a = []
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f_b = []
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"#,
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)
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.file("src/main.rs", "fn main() {}")
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.build();
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p.cargo("check -v")
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.with_stderr_contains(x!("rustc" => "cfg" of "feature" with "f_a" "f_b"))
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.with_stderr_contains(x!("rustc" => "cfg" of "docsrs"))
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.with_stderr_does_not_contain("[..]-Zunstable-options[..]")
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.run();
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}
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#[cargo_test(>=1.79, reason = "--check-cfg was stabilized in Rust 1.79")]
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fn features_with_deps() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2015"
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[dependencies]
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bar = { path = "bar/" }
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[features]
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f_a = []
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f_b = []
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"#,
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)
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.file("src/main.rs", "fn main() {}")
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.file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0"))
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.file("bar/src/lib.rs", "#[allow(dead_code)] fn bar() {}")
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.build();
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p.cargo("check -v")
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.with_stderr_contains(x!("rustc" => "cfg" of "feature" with "f_a" "f_b"))
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.with_stderr_contains(x!("rustc" => "cfg" of "docsrs"))
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.run();
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}
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#[cargo_test(>=1.79, reason = "--check-cfg was stabilized in Rust 1.79")]
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fn features_with_opt_deps() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2015"
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[dependencies]
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bar = { path = "bar/", optional = true }
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[features]
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default = ["bar"]
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f_a = []
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f_b = []
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"#,
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)
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.file("src/main.rs", "fn main() {}")
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.file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0"))
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.file("bar/src/lib.rs", "#[allow(dead_code)] fn bar() {}")
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.build();
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p.cargo("check -v")
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.with_stderr_contains(x!("rustc" => "cfg" of "feature" with "bar" "default" "f_a" "f_b"))
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.with_stderr_contains(x!("rustc" => "cfg" of "docsrs"))
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.run();
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}
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#[cargo_test(>=1.79, reason = "--check-cfg was stabilized in Rust 1.79")]
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fn features_with_namespaced_features() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2015"
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[dependencies]
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bar = { path = "bar/", optional = true }
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[features]
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f_a = ["dep:bar"]
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f_b = []
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"#,
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)
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.file("src/main.rs", "fn main() {}")
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.file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0"))
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.file("bar/src/lib.rs", "#[allow(dead_code)] fn bar() {}")
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.build();
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p.cargo("check -v")
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.with_stderr_contains(x!("rustc" => "cfg" of "feature" with "f_a" "f_b"))
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.with_stderr_contains(x!("rustc" => "cfg" of "docsrs"))
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.run();
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}
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#[cargo_test(>=1.79, reason = "--check-cfg was stabilized in Rust 1.79")]
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fn features_fingerprint() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2015"
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[features]
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f_a = []
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f_b = []
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"#,
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)
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.file("src/lib.rs", "#[cfg(feature = \"f_b\")] fn entry() {}")
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.build();
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p.cargo("check -v")
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.with_stderr_contains(x!("rustc" => "cfg" of "feature" with "f_a" "f_b"))
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.with_stderr_does_not_contain("[..]unexpected_cfgs[..]")
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.run();
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p.cargo("check -v")
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.with_stderr_does_not_contain("[..]rustc[..]")
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.run();
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// checking that re-ordering the features does not invalid the fingerprint
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p.change_file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2015"
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[features]
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f_b = []
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f_a = []
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"#,
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);
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p.cargo("check -v")
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.with_stderr_does_not_contain("[..]rustc[..]")
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.run();
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p.change_file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2015"
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[features]
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f_a = []
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"#,
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);
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p.cargo("check -v")
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// we check that the fingerprint is indeed dirty
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.with_stderr_contains("[..]Dirty[..]the list of declared features changed")
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// that is cause rustc to be called again with the new check-cfg args
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.with_stderr_contains(x!("rustc" => "cfg" of "feature" with "f_a"))
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// and that we indeed found a new warning from the unexpected_cfgs lint
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.with_stderr_contains("[..]unexpected_cfgs[..]")
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.run();
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}
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#[cargo_test(>=1.79, reason = "--check-cfg was stabilized in Rust 1.79")]
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fn well_known_names_values() {
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let p = project()
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.file("Cargo.toml", &basic_manifest("foo", "0.1.0"))
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.file("src/main.rs", "fn main() {}")
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.build();
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p.cargo("check -v")
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.with_stderr_contains(x!("rustc" => "cfg" of "feature" with))
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.with_stderr_contains(x!("rustc" => "cfg" of "docsrs"))
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.run();
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}
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#[cargo_test(>=1.79, reason = "--check-cfg was stabilized in Rust 1.79")]
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fn features_test() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2015"
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[features]
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f_a = []
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f_b = []
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"#,
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)
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.file("src/main.rs", "fn main() {}")
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.build();
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p.cargo("test -v")
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.with_stderr_contains(x!("rustc" => "cfg" of "feature" with "f_a" "f_b"))
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.with_stderr_contains(x!("rustc" => "cfg" of "docsrs"))
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.run();
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}
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#[cargo_test(>=1.79, reason = "--check-cfg was stabilized in Rust 1.79")]
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fn features_doctest() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2015"
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[features]
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default = ["f_a"]
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f_a = []
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f_b = []
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"#,
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)
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.file("src/lib.rs", "#[allow(dead_code)] fn foo() {}")
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.build();
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p.cargo("test -v --doc")
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.with_stderr_contains(x!("rustc" => "cfg" of "feature" with "default" "f_a" "f_b"))
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.with_stderr_contains(x!("rustdoc" => "cfg" of "feature" with "default" "f_a" "f_b"))
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.with_stderr_contains(x!("rustc" => "cfg" of "docsrs"))
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.with_stderr_contains(x!("rustdoc" => "cfg" of "docsrs"))
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.with_stderr_does_not_contain("[..]-Zunstable-options[..]")
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.run();
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}
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#[cargo_test(>=1.79, reason = "--check-cfg was stabilized in Rust 1.79")]
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fn well_known_names_values_test() {
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let p = project()
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.file("Cargo.toml", &basic_manifest("foo", "0.1.0"))
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.file("src/main.rs", "fn main() {}")
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.build();
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p.cargo("test -v")
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.with_stderr_contains(x!("rustc" => "cfg" of "feature" with))
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.with_stderr_contains(x!("rustc" => "cfg" of "docsrs"))
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.run();
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}
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#[cargo_test(>=1.79, reason = "--check-cfg was stabilized in Rust 1.79")]
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fn well_known_names_values_doctest() {
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let p = project()
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.file("Cargo.toml", &basic_manifest("foo", "0.1.0"))
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.file("src/lib.rs", "#[allow(dead_code)] fn foo() {}")
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.build();
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p.cargo("test -v --doc")
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.with_stderr_contains(x!("rustc" => "cfg" of "feature" with))
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.with_stderr_contains(x!("rustdoc" => "cfg" of "feature" with))
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.with_stderr_contains(x!("rustc" => "cfg" of "docsrs"))
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.with_stderr_contains(x!("rustdoc" => "cfg" of "docsrs"))
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.run();
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}
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#[cargo_test(>=1.79, reason = "--check-cfg was stabilized in Rust 1.79")]
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fn features_doc() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2015"
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[features]
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default = ["f_a"]
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f_a = []
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f_b = []
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"#,
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)
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.file("src/lib.rs", "#[allow(dead_code)] fn foo() {}")
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.build();
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p.cargo("doc -v")
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.with_stderr_contains(x!("rustdoc" => "cfg" of "feature" with "default" "f_a" "f_b"))
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.with_stderr_contains(x!("rustdoc" => "cfg" of "docsrs"))
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.with_stderr_does_not_contain("[..]-Zunstable-options[..]")
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.run();
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}
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#[cargo_test(>=1.79, reason = "--check-cfg was stabilized in Rust 1.79")]
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fn build_script_feedback() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.0.1"
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edition = "2015"
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authors = []
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build = "build.rs"
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"#,
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)
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.file("src/main.rs", "fn main() {}")
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.file(
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"build.rs",
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r#"fn main() { println!("cargo::rustc-check-cfg=cfg(foo)"); }"#,
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)
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.build();
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p.cargo("check -v")
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.with_stderr_contains(x!("rustc" => "cfg" of "foo"))
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.with_stderr_contains(x!("rustc" => "cfg" of "docsrs"))
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.with_stderr_does_not_contain("[..]-Zunstable-options[..]")
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.run();
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}
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#[cargo_test(>=1.79, reason = "--check-cfg was stabilized in Rust 1.79")]
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fn build_script_doc() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.0.1"
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edition = "2015"
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authors = []
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build = "build.rs"
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"#,
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)
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.file("src/main.rs", "fn main() {}")
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.file(
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"build.rs",
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r#"fn main() { println!("cargo::rustc-check-cfg=cfg(foo)"); }"#,
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)
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.build();
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p.cargo("doc -v")
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.with_stderr_does_not_contain("rustc [..] --check-cfg [..]")
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.with_stderr_contains(x!("rustdoc" => "cfg" of "foo"))
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.with_stderr(
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"\
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[COMPILING] foo v0.0.1 ([CWD])
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[RUNNING] `rustc [..] build.rs [..]`
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[RUNNING] `[..]/build-script-build`
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[DOCUMENTING] foo [..]
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[RUNNING] `rustdoc [..] src/main.rs [..]
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[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [..]
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[GENERATED] [CWD]/target/doc/foo/index.html
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",
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)
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.run();
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}
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#[cargo_test(>=1.79, reason = "--check-cfg was stabilized in Rust 1.79")]
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fn build_script_override() {
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let target = cargo_test_support::rustc_host();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.5.0"
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edition = "2015"
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authors = []
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links = "a"
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build = "build.rs"
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"#,
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)
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.file("src/main.rs", "fn main() {}")
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.file("build.rs", "")
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.file(
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".cargo/config.toml",
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&format!(
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r#"
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[target.{}.a]
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rustc-check-cfg = ["cfg(foo)"]
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"#,
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target
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),
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)
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.build();
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p.cargo("check -v")
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.with_stderr_contains(x!("rustc" => "cfg" of "foo"))
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.with_stderr_contains(x!("rustc" => "cfg" of "feature" with))
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.with_stderr_contains(x!("rustc" => "cfg" of "docsrs"))
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.run();
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}
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#[cargo_test(>=1.79, reason = "--check-cfg was stabilized in Rust 1.79")]
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fn build_script_test() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.0.1"
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edition = "2015"
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authors = []
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build = "build.rs"
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"#,
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)
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.file(
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"build.rs",
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r#"fn main() {
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println!("cargo::rustc-check-cfg=cfg(foo)");
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println!("cargo::rustc-cfg=foo");
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}"#,
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)
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.file(
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"src/lib.rs",
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r#"
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///
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/// ```
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/// extern crate foo;
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///
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/// fn main() {
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/// foo::foo()
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/// }
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/// ```
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///
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#[cfg(foo)]
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pub fn foo() {}
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|
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#[cfg(foo)]
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#[test]
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fn test_foo() {
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foo()
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}
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"#,
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)
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.file("tests/test.rs", "#[cfg(foo)] #[test] fn test_bar() {}")
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.build();
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p.cargo("test -v")
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.with_stderr_contains(x!("rustc" => "cfg" of "foo"))
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.with_stderr_contains(x!("rustdoc" => "cfg" of "foo"))
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.with_stdout_contains("test test_foo ... ok")
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.with_stdout_contains("test test_bar ... ok")
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.with_stdout_contains_n("test [..] ... ok", 3)
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.run();
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}
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